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An artist's impression of ancient Mars and its oceans based on geological data (Image from wikipedia.org)

An artist’s impression of ancient Mars and its oceans based on geological data (Image from wikipedia.org)

“Our study provides a solid estimate of how much water Mars once had, by determining how much later was lost to space,”said Geronimo Villanueva, a scientist at NASA’s Goddard Space Flight Center and lead author of the paper.

The study, published in Science magazine, is a result of observations and computations based on data from three telescope facilities on Earth, the instruments of which were able to distinguish the chemical signatures of two different types of water in the remnants of Mars’ atmosphere.

La suite ici: http://rt.com/news/238229-nasa-mars-ocean-water/

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